Which Indian cricketer is known as "Brown Bradman"?

At the 2012 Summer Olympic Games, Canadian athlete Ian Millar competed in his last of how many Olympics?

A "moog" was what type of instrument?

Where are the Shere Hills, a range of undulating hills and rock formations in western Africa?

Pea aphids are generally wingless, but can develop wings in what conditions?

What resin, drawn from a tree related to the pistachio, is used to flavour foods and drink including ice cream..........

The Lufra River and then the Lualaba River into which it flows are major headwaters (by volume) of the Congo............

Wealthy Quaker Richard Tapper Cadbury, a linen and silk draper, had a son John who founded a business in what?

Which compound on the surface of Mars makes it appear red?

Which lake, the largest in Central Europe, is sometimes referred to as the "Hungarian Sea"?

4 Girls and 3 Boys

Girls has 21$ Boys has 20$

If Rs. 49 were divided among 150 children. Each girl got 50 paisa and a boy 25 paisa. How many Boys and Girls were there?

In a group of 6 boys and 4 girls, four children are to be selected. In how many different ways can they be selected such that at least one boy should be there?

There are 3 boys and 4 girls. We have to arrange any 1 boy at the center and any 2 girls at corners. In how many methods these persons can be arranged.

There are 8 boys and 5 girls in a class. If four students are selected at random, what is the probability that 2 girls and 2 boy are selected?